EXCLUSIVE Otter Roofing & Cladding Timber Screws 12g x 65mm Pack of 6 Galvanised SKU: 231707 MODEL: TISG1265P Error. try again later You've successfully joined the club $ 6 .11 pack of 6 Available on orders $50 to $1500. More info × Mitre 10 Variants Suitable for outdoor use fixing to timber. Mechanical galvanising to class 3. Features and benefits Hex flanged head with EDPM washer. Self-drilling type 17 point. Split coarse thread used in roofing screws to secure roofing material to the screw head.